Sometimes winter storms are accompanied by strong winds creating blizzard(暴风雪)conditions with blinding wind -driven snow, sever

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问题     Sometimes winter storms are accompanied by strong winds creating blizzard(暴风雪)conditions with blinding wind -driven snow, sever drifting, and dangerous wind chill. Strong winds with these【B1】______storms and cold fronts can knock down trees and power lines. In the West and alaska, winds【B2】______off the mountains can rise up to 10 mph or more,【B3】______damaging roofs and other structures. Prolonged periods of extreme cold can cause water pipes to【B4】______and burst in homes that are poorly heated. Heavy accumulations of ice can bring down trees, electrical wires, telephone poles and lines, and communication towers. These ice storms can disrupt power and communications for days while【B5】______companies work to repair the damage. Even small accumulations of ice may cause extreme【B6】______to motorists and pedestrians. Ice jam may form and lead to flooding. Heavy snow can【B7】______a region and paralyze a city, impairing commuters, stopping the flow of supplies, and disrupting 【B8】______medical services. Accumulations of snow can【B9】______buildings and knock down trees and power lines. The cost of snow removal repairing damages, and loss of business can have large【B10】______impacts on cities and towns.
[A]overload[B]intensive[C]intense[D]utility
[E]freeze[F]descending[G]economic[H]immobilize
[I]hazards[J]seriously[K]emergency[L]ruthlessly
[M]ascending[N]collapse[O]inconvenience
【B9】

选项

答案N

解析 空前动词can提示所填词应为动词原形。由and后的knock down trees可知本句仍然是讲积雪对building, trees和power lines造成的破坏性后果。备选动词中能表达积雪对buildings的破坏性后果的只有[N]collapse(使……倒塌)。
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